import Vue from 'vue'
import * as types from '../mutation-types'
import ConversationAPI from '../../api/conversations'

const state = {
  records: {},
  uiFlags: {
    isFetching: false,
    isUpdating: false,
    isError: false,
  },
}

export const getters = {
  getUIFlags ($state) {
    return $state.uiFlags
  },
  getConversationLabels: $state => id => {
    return $state.records[id] || []
  },
}

export const actions = {
  get: async ({ commit }, conversationId) => {
    commit(types.default.SET_CONVERSATION_LABELS_UI_FLAG, {
      isFetching: true,
    })
    try {
      const response = await ConversationAPI.getLabels(conversationId)
      commit(types.default.SET_CONVERSATION_LABELS, {
        id: conversationId,
        data: response.data.payload,
      })
      commit(types.default.SET_CONVERSATION_LABELS_UI_FLAG, {
        isFetching: false,
      })
    } catch (error) {
      commit(types.default.SET_CONVERSATION_LABELS_UI_FLAG, {
        isFetching: false,
      })
    }
  },
  update: async ({ commit }, { conversationId, labels }) => {
    commit(types.default.SET_CONVERSATION_LABELS_UI_FLAG, {
      isUpdating: true,
    })
    try {
      const response = await ConversationAPI.updateLabels(
        conversationId,
        labels
      )
      commit(types.default.SET_CONVERSATION_LABELS, {
        id: conversationId,
        data: response.data.payload,
      })
      commit(types.default.SET_CONVERSATION_LABELS_UI_FLAG, {
        isUpdating: false,
        isError: false,
      })
    } catch (error) {
      commit(types.default.SET_CONVERSATION_LABELS_UI_FLAG, {
        isUpdating: false,
        isError: true,
      })
    }
  },
  setBulkConversationLabels ({ commit }, conversations) {
    commit(types.default.SET_BULK_CONVERSATION_LABELS, conversations)
  },
  setConversationLabel ({ commit }, { id, data }) {
    commit(types.default.SET_CONVERSATION_LABELS, { id, data })
  },
}

export const mutations = {
  [types.default.SET_CONVERSATION_LABELS_UI_FLAG] ($state, data) {
    $state.uiFlags = {
      ...$state.uiFlags,
      ...data,
    }
  },
  [types.default.SET_CONVERSATION_LABELS]: ($state, { id, data }) => {
    Vue.set($state.records, id, data)
  },
  [types.default.SET_BULK_CONVERSATION_LABELS]: ($state, conversations) => {
    conversations.forEach(conversation => {
      Vue.set($state.records, conversation.id, conversation.labels)
    })
  },
}

export default {
  namespaced: true,
  state,
  getters,
  actions,
  mutations,
}
